#define KERNEL_LOAD_ADR 0x40004000
-
#include <linux/types.h>
+
+#ifdef CONFIG_ETRAX_ARCH_V32
#include <hwregs/reg_rdwr.h>
#include <hwregs/reg_map.h>
#include <hwregs/ser_defs.h>
#ifdef CONFIG_CRIS_MACH_ARTPEC3
#include <hwregs/clkgen_defs.h>
#endif
+#else
+#include <arch/svinto.h>
+#endif
/*
* gzip declarations
#define OF(args) args
#define STATIC static
-void* memset(void* s, int c, size_t n);
-void* memcpy(void* __dest, __const void* __src,
- size_t __n);
-
-#define memzero(s, n) memset ((s), 0, (n))
+void *memset(void *s, int c, size_t n);
+void *memcpy(void *__dest, __const void *__src, size_t __n);
+#define memzero(s, n) memset((s), 0, (n))
typedef unsigned char uch;
typedef unsigned short ush;
#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
#define RESERVED 0xC0 /* bit 6,7: reserved */
-#define get_byte() inbuf[inptr++]
+#define get_byte() (inbuf[inptr++])
/* Diagnostic functions */
#ifdef DEBUG
-# define Assert(cond,msg) {if(!(cond)) error(msg);}
+# define Assert(cond, msg) do { \
+ if (!(cond)) \
+ error(msg); \
+ } while (0)
# define Trace(x) fprintf x
-# define Tracev(x) {if (verbose) fprintf x ;}
-# define Tracevv(x) {if (verbose>1) fprintf x ;}
-# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
-# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
+# define Tracev(x) do { \
+ if (verbose) \
+ fprintf x; \
+ } while (0)
+# define Tracevv(x) do { \
+ if (verbose > 1) \
+ fprintf x; \
+ } while (0)
+# define Tracec(c, x) do { \
+ if (verbose && (c)) \
+ fprintf x; \
+ } while (0)
+# define Tracecv(c, x) do { \
+ if (verbose > 1 && (c)) \
+ fprintf x; \
+ } while (0)
#else
-# define Assert(cond,msg)
+# define Assert(cond, msg)
# define Trace(x)
# define Tracev(x)
# define Tracevv(x)
-# define Tracec(c,x)
-# define Tracecv(c,x)
+# define Tracec(c, x)
+# define Tracecv(c, x)
#endif
static void flush_window(void);
static void error(char *m);
+static void puts(const char *);
extern char *input_data; /* lives in head.S */
static uch *output_data;
static unsigned long output_ptr;
-static void error(char *m);
-
-static void puts(const char *);
-
/* the "heap" is put directly after the BSS ends, at end */
extern int _end;
/* decompressor info and error messages to serial console */
-static inline void
-serout(const char *s, reg_scope_instances regi_ser)
+#ifdef CONFIG_ETRAX_ARCH_V32
+static inline void serout(const char *s, reg_scope_instances regi_ser)
{
reg_ser_rs_stat_din rs;
reg_ser_rw_dout dout = {.data = *s};
REG_WR(ser, regi_ser, rw_dout, dout);
}
+#endif
-static void
-puts(const char *s)
+static void puts(const char *s)
{
#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
while (*s) {
#ifdef CONFIG_ETRAX_DEBUG_PORT0
+#ifdef CONFIG_ETRAX_ARCH_V32
serout(s, regi_ser0);
+#else
+ while (!(*R_SERIAL0_STATUS & (1 << 5)))
+ ;
+ *R_SERIAL0_TR_DATA = *s++;
+#endif
#endif
#ifdef CONFIG_ETRAX_DEBUG_PORT1
+#ifdef CONFIG_ETRAX_ARCH_V32
serout(s, regi_ser1);
+#else
+ while (!(*R_SERIAL1_STATUS & (1 << 5)))
+ ;
+ *R_SERIAL1_TR_DATA = *s++;
+#endif
#endif
#ifdef CONFIG_ETRAX_DEBUG_PORT2
+#ifdef CONFIG_ETRAX_ARCH_V32
serout(s, regi_ser2);
+#else
+ while (!(*R_SERIAL2_STATUS & (1 << 5)))
+ ;
+ *R_SERIAL2_TR_DATA = *s++;
+#endif
#endif
#ifdef CONFIG_ETRAX_DEBUG_PORT3
+#ifdef CONFIG_ETRAX_ARCH_V32
serout(s, regi_ser3);
+#else
+ while (!(*R_SERIAL3_STATUS & (1 << 5)))
+ ;
+ *R_SERIAL3_TR_DATA = *s++;
+#endif
#endif
*s++;
}
#endif
}
-void*
-memset(void* s, int c, size_t n)
+void *memset(void *s, int c, size_t n)
{
int i;
char *ss = (char*)s;
return s;
}
-void*
-memcpy(void* __dest, __const void* __src,
- size_t __n)
+void *memcpy(void *__dest, __const void *__src, size_t __n)
{
int i;
char *d = (char *)__dest, *s = (char *)__src;
- for (i=0;i<__n;i++) d[i] = s[i];
+ for (i = 0; i < __n; i++)
+ d[i] = s[i];
return __dest;
}
* (Used for the decompressed data only.)
*/
-static void
-flush_window()
+static void flush_window(void)
{
- ulg c = crc; /* temporary variable */
- unsigned n;
- uch *in, *out, ch;
-
- in = window;
- out = &output_data[output_ptr];
- for (n = 0; n < outcnt; n++) {
- ch = *out++ = *in++;
- c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
- }
- crc = c;
- bytes_out += (ulg)outcnt;
- output_ptr += (ulg)outcnt;
- outcnt = 0;
+ ulg c = crc; /* temporary variable */
+ unsigned n;
+ uch *in, *out, ch;
+
+ in = window;
+ out = &output_data[output_ptr];
+ for (n = 0; n < outcnt; n++) {
+ ch = *out = *in;
+ out++;
+ in++;
+ c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
+ }
+ crc = c;
+ bytes_out += (ulg)outcnt;
+ output_ptr += (ulg)outcnt;
+ outcnt = 0;
}
-static void
-error(char *x)
+static void error(char *x)
{
- puts("\r\n\n");
+ puts("\n\n");
puts(x);
- puts("\r\n\n -- System halted\n");
+ puts("\n\n -- System halted\n");
while(1); /* Halt */
}
-void
-setup_normal_output_buffer(void)
+void setup_normal_output_buffer(void)
{
output_data = (char *)KERNEL_LOAD_ADR;
}
-static inline void
-serial_setup(reg_scope_instances regi_ser)
+#ifdef CONFIG_ETRAX_ARCH_V32
+static inline void serial_setup(reg_scope_instances regi_ser)
{
reg_ser_rw_xoff xoff;
reg_ser_rw_tr_ctrl tr_ctrl;
REG_WR(ser, regi_ser, rw_rec_ctrl, rec_ctrl);
REG_WR(ser, regi_ser, rw_rec_baud_div, rec_baud);
}
+#endif
-void
-decompress_kernel(void)
+void decompress_kernel(void)
{
char revision;
+ char compile_rev;
+#ifdef CONFIG_ETRAX_ARCH_V32
+ /* Need at least a CRISv32 to run. */
+ compile_rev = 32;
#if defined(CONFIG_ETRAX_DEBUG_PORT1) || \
defined(CONFIG_ETRAX_DEBUG_PORT2) || \
defined(CONFIG_ETRAX_DEBUG_PORT3)
hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot);
#endif
+
#ifdef CONFIG_ETRAX_DEBUG_PORT0
serial_setup(regi_ser0);
#endif
/* input_data is set in head.S */
inbuf = input_data;
+#else /* CRISv10 */
+ /* Need at least a crisv10 to run. */
+ compile_rev = 10;
+
+ /* input_data is set in head.S */
+ inbuf = input_data;
+
+#ifdef CONFIG_ETRAX_DEBUG_PORT0
+ *R_SERIAL0_XOFF = 0;
+ *R_SERIAL0_BAUD = 0x99;
+ *R_SERIAL0_TR_CTRL = 0x40;
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT1
+ *R_SERIAL1_XOFF = 0;
+ *R_SERIAL1_BAUD = 0x99;
+ *R_SERIAL1_TR_CTRL = 0x40;
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT2
+ *R_GEN_CONFIG = 0x08;
+ *R_SERIAL2_XOFF = 0;
+ *R_SERIAL2_BAUD = 0x99;
+ *R_SERIAL2_TR_CTRL = 0x40;
+#endif
+#ifdef CONFIG_ETRAX_DEBUG_PORT3
+ *R_GEN_CONFIG = 0x100;
+ *R_SERIAL3_XOFF = 0;
+ *R_SERIAL3_BAUD = 0x99;
+ *R_SERIAL3_TR_CTRL = 0x40;
+#endif
+#endif
setup_normal_output_buffer();
makecrc();
__asm__ volatile ("move $vr,%0" : "=rm" (revision));
- if (revision < 32)
- {
- puts("You need an ETRAX FS to run Linux 2.6/crisv32.\r\n");
+ if (revision < compile_rev) {
+#ifdef CONFIG_ETRAX_ARCH_V32
+ puts("You need an ETRAX FS to run Linux 2.6/crisv32\n");
+#else
+ puts("You need an ETRAX 100LX to run linux 2.6\n");
+#endif
while(1);
}
- puts("Uncompressing Linux...\r\n");
+ puts("Uncompressing Linux...\n");
gunzip();
- puts("Done. Now booting the kernel.\r\n");
+ puts("Done. Now booting the kernel\n");
}
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff